
public class Test03 {
  public static void main(String[] args) {
    System.out.println("Hello Test03!");
    double[] arr = new double[3];
    System.out.println(arr[0]);
    System.out.println(arr[1]);
    System.out.println(arr[2]);
    // System.out.println(arr[3]);
    System.out.println(arr.length);

  }
}